1372455323 has 4 divisors (see below), whose sum is σ = 1372812120. Its totient is φ = 1372098528.

The previous prime is 1372455313. The next prime is 1372455377. The reversal of 1372455323 is 3235542731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1372455323 - 2²² = 1368261019 is a prime.

It is a super-2 number, since 2×1372455323² = 3767267227262068658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372455313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172565 + ... + 180342.

It is an arithmetic number, because the mean of its divisors is an integer number (343203030).

Almost surely, 2^1372455323 is an apocalyptic number.

1372455323 is a deficient number, since it is larger than the sum of its proper divisors (356797).

1372455323 is an equidigital number, since it uses as much as digits as its factorization.

1372455323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356796.

The product of its digits is 75600, while the sum is 35.

The square root of 1372455323 is about 37046.6641278267. The cubic root of 1372455323 is about 1111.3036445866.

The spelling of 1372455323 in words is "one billion, three hundred seventy-two million, four hundred fifty-five thousand, three hundred twenty-three".