1400455123 has 2 divisors, whose sum is σ = 1400455124. Its totient is φ = 1400455122.

The previous prime is 1400455117. The next prime is 1400455127. The reversal of 1400455123 is 3215540041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400455123 - 2²¹ = 1398357971 is a prime.

It is a super-2 number, since 2×1400455123² = 3922549103073890258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1400455127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700227561 + 700227562.

It is an arithmetic number, because the mean of its divisors is an integer number (700227562).

Almost surely, 2^1400455123 is an apocalyptic number.

1400455123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400455123 is an equidigital number, since it uses as much as digits as its factorization.

1400455123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1400455123 is about 37422.6552104471. The cubic root of 1400455123 is about 1118.8101530113.

Adding to 1400455123 its reverse (3215540041), we get a palindrome (4615995164).

The spelling of 1400455123 in words is "one billion, four hundred million, four hundred fifty-five thousand, one hundred twenty-three".