23120021034 has 48 divisors (see below), whose sum is σ = 55099010304. Its totient is φ = 7006059720.

The previous prime is 23120021033. The next prime is 23120021039. The reversal of 23120021034 is 43012002132.

It is a super-2 number, since 2×23120021034² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23120020998 and 23120021016.

It is not an unprimeable number, because it can be changed into a prime (23120021033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458554 + ... + 506469.

It is an arithmetic number, because the mean of its divisors is an integer number (1147896048).

Almost surely, 2^23120021034 is an apocalyptic number.

23120021034 is an abundant number, since it is smaller than the sum of its proper divisors (31978989270).

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

23120021034 is a wasteful number, since it uses less digits than its factorization.

23120021034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965064 (or 965039 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23120021034 its reverse (43012002132), we get a palindrome (66132023166).

The spelling of 23120021034 in words is "twenty-three billion, one hundred twenty million, twenty-one thousand, thirty-four".