23031151452 has 18 divisors (see below), whose sum is σ = 58217632928. Its totient is φ = 7677050472.

The previous prime is 23031151393. The next prime is 23031151457. The reversal of 23031151452 is 25415113032.

23031151452 is a `hidden beast` number, since 2 + 30 + 31 + 151 + 452 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031151457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319877068 + ... + 319877139.

Almost surely, 2^23031151452 is an apocalyptic number.

It is an amenable number.

23031151452 is an abundant number, since it is smaller than the sum of its proper divisors (35186481476).

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

23031151452 is a wasteful number, since it uses less digits than its factorization.

23031151452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639754217 (or 639754212 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 23031151452 its reverse (25415113032), we get a palindrome (48446264484).

The spelling of 23031151452 in words is "twenty-three billion, thirty-one million, one hundred fifty-one thousand, four hundred fifty-two".