23021111234 has 32 divisors (see below), whose sum is σ = 38430936000. Its totient is φ = 10254149440.

The previous prime is 23021111233. The next prime is 23021111251. The reversal of 23021111234 is 43211112032.

It is not an unprimeable number, because it can be changed into a prime (23021111233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383492 + ... + 439440.

It is an arithmetic number, because the mean of its divisors is an integer number (1200966750).

Almost surely, 2^23021111234 is an apocalyptic number.

23021111234 is a deficient number, since it is larger than the sum of its proper divisors (15409824766).

23021111234 is a wasteful number, since it uses less digits than its factorization.

23021111234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56338.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23021111234 its reverse (43211112032), we get a palindrome (66232223266).

The spelling of 23021111234 in words is "twenty-three billion, twenty-one million, one hundred eleven thousand, two hundred thirty-four".