1623271023 has 120 divisors (see below), whose sum is σ = 2935363200. Its totient is φ = 889146720.

The previous prime is 1623271003. The next prime is 1623271033. The reversal of 1623271023 is 3201723261.

1623271023 is a `hidden beast` number, since 1 + 623 + 2 + 7 + 10 + 23 = 666.

It is not a de Polignac number, because 1623271023 - 2¹² = 1623266927 is a prime.

It is a super-2 number, since 2×1623271023² = 5270017628222933058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623271003) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4282848 + ... + 4283226.

It is an arithmetic number, because the mean of its divisors is an integer number (24461360).

Almost surely, 2^1623271023 is an apocalyptic number.

1623271023 is a deficient number, since it is larger than the sum of its proper divisors (1312092177).

1623271023 is a wasteful number, since it uses less digits than its factorization.

1623271023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1623271023 is about 40289.8377137461. The cubic root of 1623271023 is about 1175.2502314203.

Adding to 1623271023 its reverse (3201723261), we get a palindrome (4824994284).

The spelling of 1623271023 in words is "one billion, six hundred twenty-three million, two hundred seventy-one thousand, twenty-three".