1957227378623 has 8 divisors (see below), whose sum is σ = 2154052337616. Its totient is φ = 1763551619200.

The previous prime is 1957227378593. The next prime is 1957227378683. The reversal of 1957227378623 is 3268737227591.

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

It is a cyclic number.

It is not a de Polignac number, because 1957227378623 - 2¹⁴ = 1957227362239 is a prime.

It is a super-2 number, since 2×1957227378623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957227378683) 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, 787298588 + ... + 787301073.

It is an arithmetic number, because the mean of its divisors is an integer number (269256542202).

Almost surely, 2^{1957227378623} is an apocalyptic number.

1957227378623 is a deficient number, since it is larger than the sum of its proper divisors (196824958993).

1957227378623 is a wasteful number, since it uses less digits than its factorization.

1957227378623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574599785.

The product of its digits is 53343360, while the sum is 62.

The spelling of 1957227378623 in words is "one trillion, nine hundred fifty-seven billion, two hundred twenty-seven million, three hundred seventy-eight thousand, six hundred twenty-three".