10123134442 has 4 divisors (see below), whose sum is σ = 15184701666. Its totient is φ = 5061567220.

The previous prime is 10123134421. The next prime is 10123134451. The reversal of 10123134442 is 24443132101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7167146281 + 2955988161 = 84659^2 + 54369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530783609 + ... + 2530783612.

Almost surely, 2^10123134442 is an apocalyptic number.

10123134442 is a deficient number, since it is larger than the sum of its proper divisors (5061567224).

10123134442 is an equidigital number, since it uses as much as digits as its factorization.

10123134442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061567223.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10123134442 its reverse (24443132101), we get a palindrome (34566266543).

The spelling of 10123134442 in words is "ten billion, one hundred twenty-three million, one hundred thirty-four thousand, four hundred forty-two".