23354021000 has 64 divisors (see below), whose sum is σ = 57524688000. Its totient is φ = 8849937600.

The previous prime is 23354020999. The next prime is 23354021003. The reversal of 23354021000 is 12045332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23354021003) 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, 595580 + ... + 633579.

It is an arithmetic number, because the mean of its divisors is an integer number (898823250).

Almost surely, 2^23354021000 is an apocalyptic number.

23354021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23354021000 is an abundant number, since it is smaller than the sum of its proper divisors (34170667000).

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

23354021000 is a wasteful number, since it uses less digits than its factorization.

23354021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229199 (or 1229185 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 23354021000 its reverse (12045332), we get a palindrome (23366066332).

The spelling of 23354021000 in words is "twenty-three billion, three hundred fifty-four million, twenty-one thousand".