402463123 has 2 divisors, whose sum is σ = 402463124. Its totient is φ = 402463122.

The previous prime is 402463121. The next prime is 402463129. The reversal of 402463123 is 321364204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402463123 - 2¹ = 402463121 is a prime.

Together with 402463121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402463121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201231561 + 201231562.

It is an arithmetic number, because the mean of its divisors is an integer number (201231562).

Almost surely, 2^402463123 is an apocalyptic number.

402463123 is a deficient number, since it is larger than the sum of its proper divisors (1).

402463123 is an equidigital number, since it uses as much as digits as its factorization.

402463123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 402463123 is about 20061.4835692678. The cubic root of 402463123 is about 738.3155764619.

The spelling of 402463123 in words is "four hundred two million, four hundred sixty-three thousand, one hundred twenty-three".