10230403991 has 2 divisors, whose sum is σ = 10230403992. Its totient is φ = 10230403990.

The previous prime is 10230403907. The next prime is 10230404003. The reversal of 10230403991 is 19930403201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10230403991 - 2²² = 10226209687 is a prime.

It is a super-2 number, since 2×10230403991² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10230403901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115201995 + 5115201996.

It is an arithmetic number, because the mean of its divisors is an integer number (5115201996).

Almost surely, 2^10230403991 is an apocalyptic number.

10230403991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10230403991 is an equidigital number, since it uses as much as digits as its factorization.

10230403991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 10230403991 in words is "ten billion, two hundred thirty million, four hundred three thousand, nine hundred ninety-one".