1097437923 has 32 divisors (see below), whose sum is σ = 1684756800. Its totient is φ = 705196800.

The previous prime is 1097437897. The next prime is 1097437927. The reversal of 1097437923 is 3297347901.

It is not a de Polignac number, because 1097437923 - 2¹⁷ = 1097306851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097437927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830103 + ... + 831423.

It is an arithmetic number, because the mean of its divisors is an integer number (52648650).

Almost surely, 2^1097437923 is an apocalyptic number.

1097437923 is a deficient number, since it is larger than the sum of its proper divisors (587318877).

1097437923 is a wasteful number, since it uses less digits than its factorization.

1097437923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 1097437923 is about 33127.6006224417. The cubic root of 1097437923 is about 1031.4780435848.

The spelling of 1097437923 in words is "one billion, ninety-seven million, four hundred thirty-seven thousand, nine hundred twenty-three".