23154143400 has 72 divisors (see below), whose sum is σ = 77759337630. Its totient is φ = 6174437760.

The previous prime is 23154143399. The next prime is 23154143423. The reversal of 23154143400 is 434145132.

It is a happy number.

23154143400 is a `hidden beast` number, since 2 + 315 + 4 + 1 + 4 + 340 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 19539007524 + 3615135876 = 139782^2 + 60126^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×23154143400² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6429907 + ... + 6433506.

Almost surely, 2^23154143400 is an apocalyptic number.

23154143400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23154143400 is an abundant number, since it is smaller than the sum of its proper divisors (54605194230).

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

23154143400 is a wasteful number, since it uses less digits than its factorization.

23154143400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863435 (or 12863423 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23154143400 its reverse (434145132), we get a palindrome (23588288532).

The spelling of 23154143400 in words is "twenty-three billion, one hundred fifty-four million, one hundred forty-three thousand, four hundred".