1423215625156 has 24 divisors (see below), whose sum is σ = 2706821542040. Its totient is φ = 650842428672.

The previous prime is 1423215625147. The next prime is 1423215625171. The reversal of 1423215625156 is 6515265123241.

It can be written as a sum of positive squares in 4 ways, for example, as 190191932100 + 1233023693056 = 436110^2 + 1110416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125542641 + ... + 125553976.

Almost surely, 2^{1423215625156} is an apocalyptic number.

It is an amenable number.

1423215625156 is a deficient number, since it is larger than the sum of its proper divisors (1283605916884).

1423215625156 is a wasteful number, since it uses less digits than its factorization.

1423215625156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251096743 (or 251096741 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 1423215625156 in words is "one trillion, four hundred twenty-three billion, two hundred fifteen million, six hundred twenty-five thousand, one hundred fifty-six".