1023641375 has 8 divisors (see below), whose sum is σ = 1277504592. Its totient is φ = 818913000.

The previous prime is 1023641347. The next prime is 1023641387. The reversal of 1023641375 is 5731463201.

It is not a de Polignac number, because 1023641375 - 2⁸ = 1023641119 is a prime.

It is a super-2 number, since 2×1023641375² = 2095683329223781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 4094441 + ... + 4094690.

It is an arithmetic number, because the mean of its divisors is an integer number (159688074).

Almost surely, 2^1023641375 is an apocalyptic number.

1023641375 is a deficient number, since it is larger than the sum of its proper divisors (253863217).

1023641375 is an frugal number, since it uses more digits than its factorization.

1023641375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189146 (or 8189136 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1023641375 is about 31994.3959936736. The cubic root of 1023641375 is about 1007.8191597220.

The spelling of 1023641375 in words is "one billion, twenty-three million, six hundred forty-one thousand, three hundred seventy-five".