1353123631 has 2 divisors, whose sum is σ = 1353123632. Its totient is φ = 1353123630.

The previous prime is 1353123599. The next prime is 1353123643. The reversal of 1353123631 is 1363213531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1353123631 - 2⁵ = 1353123599 is a prime.

It is a super-2 number, since 2×1353123631² = 3661887121541248322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1353123631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353120631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676561815 + 676561816.

It is an arithmetic number, because the mean of its divisors is an integer number (676561816).

Almost surely, 2^1353123631 is an apocalyptic number.

1353123631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353123631 is an equidigital number, since it uses as much as digits as its factorization.

1353123631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 1353123631 is about 36784.8288156952. The cubic root of 1353123631 is about 1106.0612044802.

The spelling of 1353123631 in words is "one billion, three hundred fifty-three million, one hundred twenty-three thousand, six hundred thirty-one".