23023431030340 has 192 divisors, whose sum is σ = 52747185464064. Its totient is φ = 8390781499392.

The previous prime is 23023431030317. The next prime is 23023431030343. The reversal of 23023431030340 is 4303013432032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23023431030299 and 23023431030308.

It is not an unprimeable number, because it can be changed into a prime (23023431030343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11358376407 + ... + 11358378433.

It is an arithmetic number, because the mean of its divisors is an integer number (274724924292).

Almost surely, 2^{23023431030340} is an apocalyptic number.

23023431030340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23023431030340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26373592732032).

23023431030340 is an abundant number, since it is smaller than the sum of its proper divisors (29723754433724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23023431030340 is a wasteful number, since it uses less digits than its factorization.

23023431030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 23023431030340 its reverse (4303013432032), we get a palindrome (27326444462372).

The spelling of 23023431030340 in words is "twenty-three trillion, twenty-three billion, four hundred thirty-one million, thirty thousand, three hundred forty".