1023138967 has 2 divisors, whose sum is σ = 1023138968. Its totient is φ = 1023138966.

The previous prime is 1023138959. The next prime is 1023138971. The reversal of 1023138967 is 7698313201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023138967 - 2³ = 1023138959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023130967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511569483 + 511569484.

It is an arithmetic number, because the mean of its divisors is an integer number (511569484).

Almost surely, 2^1023138967 is an apocalyptic number.

1023138967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023138967 is an equidigital number, since it uses as much as digits as its factorization.

1023138967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1023138967 is about 31986.5435300534. The cubic root of 1023138967 is about 1007.6542519458.

The spelling of 1023138967 in words is "one billion, twenty-three million, one hundred thirty-eight thousand, nine hundred sixty-seven".