23143403404120 has 32 divisors (see below), whose sum is σ = 52077999870000. Its totient is φ = 9256411635328.

The previous prime is 23143403404103. The next prime is 23143403404129. The reversal of 23143403404120 is 2140430434132.

It is a super-2 number, since 2×23143403404120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143403404129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29284114 + ... + 30064033.

Almost surely, 2^{23143403404120} is an apocalyptic number.

23143403404120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23143403404120 is an abundant number, since it is smaller than the sum of its proper divisors (28934596465880).

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

23143403404120 is a wasteful number, since it uses less digits than its factorization.

23143403404120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59357907 (or 59357903 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 23143403404120 its reverse (2140430434132), we get a palindrome (25283833838252).

The spelling of 23143403404120 in words is "twenty-three trillion, one hundred forty-three billion, four hundred three million, four hundred four thousand, one hundred twenty".