40123041234 has 32 divisors (see below), whose sum is σ = 83835138240. Its totient is φ = 12785304000.

The previous prime is 40123041199. The next prime is 40123041251. The reversal of 40123041234 is 43214032104.

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, 1123972 + ... + 1159119.

It is an arithmetic number, because the mean of its divisors is an integer number (2619848070).

Almost surely, 2^40123041234 is an apocalyptic number.

40123041234 is an abundant number, since it is smaller than the sum of its proper divisors (43712097006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40123041234 is a wasteful number, since it uses less digits than its factorization.

40123041234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283226.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40123041234 its reverse (43214032104), we get a palindrome (83337073338).

The spelling of 40123041234 in words is "forty billion, one hundred twenty-three million, forty-one thousand, two hundred thirty-four".