23673511406 has 4 divisors (see below), whose sum is σ = 35510267112. Its totient is φ = 11836755702.

The previous prime is 23673511403. The next prime is 23673511409. The reversal of 23673511406 is 60411537632.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23673511403) and next prime (23673511409).

It is a self number, because there is not a number n which added to its sum of digits gives 23673511406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23673511403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5918377850 + ... + 5918377853.

It is an arithmetic number, because the mean of its divisors is an integer number (8877566778).

Almost surely, 2^23673511406 is an apocalyptic number.

23673511406 is a deficient number, since it is larger than the sum of its proper divisors (11836755706).

23673511406 is a wasteful number, since it uses less digits than its factorization.

23673511406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836755705.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 23673511406 in words is "twenty-three billion, six hundred seventy-three million, five hundred eleven thousand, four hundred six".