1402402123 has 2 divisors, whose sum is σ = 1402402124. Its totient is φ = 1402402122.

The previous prime is 1402402117. The next prime is 1402402147. The reversal of 1402402123 is 3212042041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402402123 - 2¹⁷ = 1402271051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402402123.

It is not a weakly prime, because it can be changed into another prime (1402402163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701201061 + 701201062.

It is an arithmetic number, because the mean of its divisors is an integer number (701201062).

Almost surely, 2^1402402123 is an apocalyptic number.

1402402123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402402123 is an equidigital number, since it uses as much as digits as its factorization.

1402402123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1402402123 is about 37448.6598291581. The cubic root of 1402402123 is about 1119.3283927918.

Adding to 1402402123 its reverse (3212042041), we get a palindrome (4614444164).

The spelling of 1402402123 in words is "one billion, four hundred two million, four hundred two thousand, one hundred twenty-three".