431023412 has 6 divisors (see below), whose sum is σ = 754290978. Its totient is φ = 215511704.

The previous prime is 431023409. The next prime is 431023421. The reversal of 431023412 is 214320134.

It can be written as a sum of positive squares in only one way, i.e., 422878096 + 8145316 = 20564^2 + 2854^2 .

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, 53877923 + ... + 53877930.

It is an arithmetic number, because the mean of its divisors is an integer number (125715163).

Almost surely, 2^431023412 is an apocalyptic number.

It is an amenable number.

431023412 is a deficient number, since it is larger than the sum of its proper divisors (323267566).

431023412 is a wasteful number, since it uses less digits than its factorization.

431023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107755857 (or 107755855 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 431023412 is about 20761.1033425490. The cubic root of 431023412 is about 755.3825595119.

Adding to 431023412 its reverse (214320134), we get a palindrome (645343546).

The spelling of 431023412 in words is "four hundred thirty-one million, twenty-three thousand, four hundred twelve".