23420042030 has 64 divisors (see below), whose sum is σ = 52794298368. Its totient is φ = 7266965760.

The previous prime is 23420041999. The next prime is 23420042069. The reversal of 23420042030 is 3024002432.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23420041993 and 23420042011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103514 + ... + 239906.

It is an arithmetic number, because the mean of its divisors is an integer number (824910912).

Almost surely, 2^23420042030 is an apocalyptic number.

23420042030 is an abundant number, since it is smaller than the sum of its proper divisors (29374256338).

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

23420042030 is a wasteful number, since it uses less digits than its factorization.

23420042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136641.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23420042030 its reverse (3024002432), we get a palindrome (26444044462).

The spelling of 23420042030 in words is "twenty-three billion, four hundred twenty million, forty-two thousand, thirty".