1231422401434 has 32 divisors (see below), whose sum is σ = 1892587420800. Its totient is φ = 600719159040.

The previous prime is 1231422401423. The next prime is 1231422401437. The reversal of 1231422401434 is 4341042241321.

It is a happy number.

It is a super-2 number, since 2×1231422401434² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231422401396 and 1231422401405.

It is not an unprimeable number, because it can be changed into a prime (1231422401437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129468739 + ... + 129478249.

It is an arithmetic number, because the mean of its divisors is an integer number (59143356900).

Almost surely, 2^{1231422401434} is an apocalyptic number.

1231422401434 is a deficient number, since it is larger than the sum of its proper divisors (661165019366).

1231422401434 is a wasteful number, since it uses less digits than its factorization.

1231422401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1231422401434 its reverse (4341042241321), we get a palindrome (5572464642755).

The spelling of 1231422401434 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-two million, four hundred one thousand, four hundred thirty-four".