23578002340 has 24 divisors (see below), whose sum is σ = 50211185472. Its totient is φ = 9298366560.

The previous prime is 23578002313. The next prime is 23578002341. The reversal of 23578002340 is 4320087532.

It is a junction number, because it is equal to n+sod(n) for n = 23578002296 and 23578002305.

It is not an unprimeable number, because it can be changed into a prime (23578002341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8300694 + ... + 8303533.

It is an arithmetic number, because the mean of its divisors is an integer number (2092132728).

Almost surely, 2^23578002340 is an apocalyptic number.

23578002340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23578002340 is an abundant number, since it is smaller than the sum of its proper divisors (26633183132).

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

23578002340 is a wasteful number, since it uses less digits than its factorization.

23578002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16604307 (or 16604305 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 23578002340 its reverse (4320087532), we get a palindrome (27898089872).

The spelling of 23578002340 in words is "twenty-three billion, five hundred seventy-eight million, two thousand, three hundred forty".