23035021402 has 16 divisors (see below), whose sum is σ = 35492014440. Its totient is φ = 11204448768.

The previous prime is 23035021381. The next prime is 23035021459. The reversal of 23035021402 is 20412053032.

It can be written as a sum of positive squares in 4 ways, for example, as 22985895321 + 49126081 = 151611^2 + 7009^2 .

It is a super-2 number, since 2×23035021402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527874 + ... + 569842.

Almost surely, 2^23035021402 is an apocalyptic number.

23035021402 is a deficient number, since it is larger than the sum of its proper divisors (12456993038).

23035021402 is a wasteful number, since it uses less digits than its factorization.

23035021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49425.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23035021402 its reverse (20412053032), we get a palindrome (43447074434).

The spelling of 23035021402 in words is "twenty-three billion, thirty-five million, twenty-one thousand, four hundred two".