1137321623 has 8 divisors (see below), whose sum is σ = 1179756480. Its totient is φ = 1095101280.

The previous prime is 1137321617. The next prime is 1137321629. The reversal of 1137321623 is 3261237311.

It is an interprime number because it is at equal distance from previous prime (1137321617) and next prime (1137321629).

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 1137321623 - 2¹⁰ = 1137320599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137321629) 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, 42788 + ... + 64073.

It is an arithmetic number, because the mean of its divisors is an integer number (147469560).

Almost surely, 2^1137321623 is an apocalyptic number.

1137321623 is a deficient number, since it is larger than the sum of its proper divisors (42434857).

1137321623 is a wasteful number, since it uses less digits than its factorization.

1137321623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107257.

The product of its digits is 4536, while the sum is 29.

The square root of 1137321623 is about 33724.1993678130. The cubic root of 1137321623 is about 1043.8251711646.

Adding to 1137321623 its reverse (3261237311), we get a palindrome (4398558934).

The spelling of 1137321623 in words is "one billion, one hundred thirty-seven million, three hundred twenty-one thousand, six hundred twenty-three".