23143434132 has 48 divisors (see below), whose sum is σ = 66463198592. Its totient is φ = 6103762560.

The previous prime is 23143434113. The next prime is 23143434151.

It is a happy number.

23143434132 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (23143434113) and next prime (23143434151).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23143434132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10595719 + ... + 10597902.

Almost surely, 2^23143434132 is an apocalyptic number.

It is an amenable number.

23143434132 is an abundant number, since it is smaller than the sum of its proper divisors (43319764460).

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

23143434132 is a wasteful number, since it uses less digits than its factorization.

23143434132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193648 (or 21193646 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The spelling of 23143434132 in words is "twenty-three billion, one hundred forty-three million, four hundred thirty-four thousand, one hundred thirty-two".