1233422515142 has 4 divisors (see below), whose sum is σ = 1850133772716. Its totient is φ = 616711257570.

The previous prime is 1233422515123. The next prime is 1233422515151. The reversal of 1233422515142 is 2415152243321.

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

It is a super-2 number, since 2×1233422515142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308355628784 + ... + 308355628787.

It is an arithmetic number, because the mean of its divisors is an integer number (462533443179).

Almost surely, 2^{1233422515142} is an apocalyptic number.

1233422515142 is a deficient number, since it is larger than the sum of its proper divisors (616711257574).

1233422515142 is an equidigital number, since it uses as much as digits as its factorization.

1233422515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616711257573.

The product of its digits is 57600, while the sum is 35.

Adding to 1233422515142 its reverse (2415152243321), we get a palindrome (3648574758463).

The spelling of 1233422515142 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-two million, five hundred fifteen thousand, one hundred forty-two".