23011023020 has 12 divisors (see below), whose sum is σ = 48323148384. Its totient is φ = 9204409200.

The previous prime is 23011022981. The next prime is 23011023029. The reversal of 23011023020 is 2032011032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23011022986 and 23011023004.

It is not an unprimeable number, because it can be changed into a prime (23011023029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575275556 + ... + 575275595.

It is an arithmetic number, because the mean of its divisors is an integer number (4026929032).

Almost surely, 2^23011023020 is an apocalyptic number.

23011023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011023020 is an abundant number, since it is smaller than the sum of its proper divisors (25312125364).

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

23011023020 is a wasteful number, since it uses less digits than its factorization.

23011023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150551160 (or 1150551158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23011023020 its reverse (2032011032), we get a palindrome (25043034052).

The spelling of 23011023020 in words is "twenty-three billion, eleven million, twenty-three thousand, twenty".