234101691 has 8 divisors (see below), whose sum is σ = 346817360. Its totient is φ = 156067776.

The previous prime is 234101687. The next prime is 234101711. The reversal of 234101691 is 196101432.

It is not a de Polignac number, because 234101691 - 2² = 234101687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8670433 = 234101691 / (2 + 3 + 4 + 1 + 0 + 1 + 6 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234121691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4335190 + ... + 4335243.

It is an arithmetic number, because the mean of its divisors is an integer number (43352170).

Almost surely, 2^234101691 is an apocalyptic number.

234101691 is a deficient number, since it is larger than the sum of its proper divisors (112715669).

234101691 is an equidigital number, since it uses as much as digits as its factorization.

234101691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8670442 (or 8670436 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 234101691 is about 15300.3820540534. The cubic root of 234101691 is about 616.3132674259.

The spelling of 234101691 in words is "two hundred thirty-four million, one hundred one thousand, six hundred ninety-one".