1623332465 has 8 divisors (see below), whose sum is σ = 2062587240. Its totient is φ = 1222273792.

The previous prime is 1623332423. The next prime is 1623332537. The reversal of 1623332465 is 5642333261.

It can be written as a sum of positive squares in 4 ways, for example, as 199628641 + 1423703824 = 14129^2 + 37732^2 .

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 1623332465 - 2⁶ = 1623332401 is a prime.

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, 9548930 + ... + 9549099.

It is an arithmetic number, because the mean of its divisors is an integer number (257823405).

Almost surely, 2^1623332465 is an apocalyptic number.

It is an amenable number.

1623332465 is a deficient number, since it is larger than the sum of its proper divisors (439254775).

1623332465 is a wasteful number, since it uses less digits than its factorization.

1623332465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19098051.

The product of its digits is 77760, while the sum is 35.

The square root of 1623332465 is about 40290.6002064998. The cubic root of 1623332465 is about 1175.2650592612.

It can be divided in two parts, 16233 and 32465, that multiplied together give a triangular number (527004345 = T₃₂₄₆₅).

The spelling of 1623332465 in words is "one billion, six hundred twenty-three million, three hundred thirty-two thousand, four hundred sixty-five".