23156213161642 has 8 divisors (see below), whose sum is σ = 37891985173632. Its totient is φ = 10525551437100.

The previous prime is 23156213161607. The next prime is 23156213161657. The reversal of 23156213161642 is 24616131265132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526277571834 + ... + 526277571877.

It is an arithmetic number, because the mean of its divisors is an integer number (4736498146704).

Almost surely, 2^{23156213161642} is an apocalyptic number.

23156213161642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23156213161642 is a deficient number, since it is larger than the sum of its proper divisors (14735772011990).

23156213161642 is a wasteful number, since it uses less digits than its factorization.

23156213161642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052555143724.

The product of its digits is 311040, while the sum is 43.

The spelling of 23156213161642 in words is "twenty-three trillion, one hundred fifty-six billion, two hundred thirteen million, one hundred sixty-one thousand, six hundred forty-two".