1020023951 has 2 divisors, whose sum is σ = 1020023952. Its totient is φ = 1020023950.

The previous prime is 1020023933. The next prime is 1020023957. The reversal of 1020023951 is 1593200201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020023951 - 2⁶ = 1020023887 is a prime.

It is a super-2 number, since 2×1020023951² = 2080897721227300802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020023957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011975 + 510011976.

It is an arithmetic number, because the mean of its divisors is an integer number (510011976).

Almost surely, 2^1020023951 is an apocalyptic number.

1020023951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020023951 is an equidigital number, since it uses as much as digits as its factorization.

1020023951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1020023951 is about 31937.8138105914. The cubic root of 1020023951 is about 1006.6305884594.

The spelling of 1020023951 in words is "one billion, twenty million, twenty-three thousand, nine hundred fifty-one".