156474042623 has 16 divisors (see below), whose sum is σ = 161258882400. Its totient is φ = 151719321600.

The previous prime is 156474042587. The next prime is 156474042649. The reversal of 156474042623 is 326240474651.

It is a Cunningham number, because it is equal to 395568²-1.

It is a cyclic number.

It is not a de Polignac number, because 156474042623 - 2²⁴ = 156457265407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156474042223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14630708 + ... + 14641398.

It is an arithmetic number, because the mean of its divisors is an integer number (10078680150).

Almost surely, 2^156474042623 is an apocalyptic number.

156474042623 is a deficient number, since it is larger than the sum of its proper divisors (4784839777).

156474042623 is a wasteful number, since it uses less digits than its factorization.

156474042623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 156474042623 in words is "one hundred fifty-six billion, four hundred seventy-four million, forty-two thousand, six hundred twenty-three".