102451023 has 12 divisors (see below), whose sum is σ = 151134048. Its totient is φ = 66847200.

The previous prime is 102451007. The next prime is 102451031. The reversal of 102451023 is 320154201.

It is not a de Polignac number, because 102451023 - 2⁴ = 102451007 is a prime.

It is a super-2 number, since 2×102451023² = 20992424227493058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102450987 and 102451005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102451073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120678 + ... + 121523.

It is an arithmetic number, because the mean of its divisors is an integer number (12594504).

Almost surely, 2^102451023 is an apocalyptic number.

102451023 is a deficient number, since it is larger than the sum of its proper divisors (48683025).

102451023 is a wasteful number, since it uses less digits than its factorization.

102451023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242254 (or 242251 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102451023 is about 10121.8092750259. The cubic root of 102451023 is about 467.9205294602.

The spelling of 102451023 in words is "one hundred two million, four hundred fifty-one thousand, twenty-three".