431401123103 has 2 divisors, whose sum is σ = 431401123104. Its totient is φ = 431401123102.

The previous prime is 431401123063. The next prime is 431401123129. The reversal of 431401123103 is 301321104134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431401123103 - 2¹⁰ = 431401122079 is a prime.

It is a super-2 number, since 2×431401123103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431401123193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215700561551 + 215700561552.

It is an arithmetic number, because the mean of its divisors is an integer number (215700561552).

Almost surely, 2^431401123103 is an apocalyptic number.

431401123103 is a deficient number, since it is larger than the sum of its proper divisors (1).

431401123103 is an equidigital number, since it uses as much as digits as its factorization.

431401123103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 431401123103 its reverse (301321104134), we get a palindrome (732722227237).

The spelling of 431401123103 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty-three thousand, one hundred three".