1242323434 has 32 divisors (see below), whose sum is σ = 2050272000. Its totient is φ = 559890240.

The previous prime is 1242323389. The next prime is 1242323461. The reversal of 1242323434 is 4343232421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834704 + ... + 1835380.

It is an arithmetic number, because the mean of its divisors is an integer number (64071000).

Almost surely, 2^1242323434 is an apocalyptic number.

1242323434 is a deficient number, since it is larger than the sum of its proper divisors (807948566).

1242323434 is a wasteful number, since it uses less digits than its factorization.

1242323434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 13824, while the sum is 28.

The square root of 1242323434 is about 35246.6088297867. The cubic root of 1242323434 is about 1075.0076607350.

Adding to 1242323434 its reverse (4343232421), we get a palindrome (5585555855).

The spelling of 1242323434 in words is "one billion, two hundred forty-two million, three hundred twenty-three thousand, four hundred thirty-four".