1401623053 has 2 divisors, whose sum is σ = 1401623054. Its totient is φ = 1401623052.

The previous prime is 1401623039. The next prime is 1401623063. The reversal of 1401623053 is 3503261041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400780329 + 842724 = 37427^2 + 918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401623053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401623023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700811526 + 700811527.

It is an arithmetic number, because the mean of its divisors is an integer number (700811527).

Almost surely, 2^1401623053 is an apocalyptic number.

It is an amenable number.

1401623053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401623053 is an equidigital number, since it uses as much as digits as its factorization.

1401623053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1401623053 is about 37438.2565432740. The cubic root of 1401623053 is about 1119.1210826140.

Adding to 1401623053 its reverse (3503261041), we get a palindrome (4904884094).

The spelling of 1401623053 in words is "one billion, four hundred one million, six hundred twenty-three thousand, fifty-three".