373640231 has 4 divisors (see below), whose sum is σ = 374717352. Its totient is φ = 372563112.

The previous prime is 373640209. The next prime is 373640233. The reversal of 373640231 is 132046373.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 373640231 - 2⁶ = 373640167 is a prime.

It is a super-3 number, since 3×373640231³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 373640194 and 373640203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373640233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538040 + ... + 538733.

It is an arithmetic number, because the mean of its divisors is an integer number (93679338).

Almost surely, 2^373640231 is an apocalyptic number.

373640231 is a deficient number, since it is larger than the sum of its proper divisors (1077121).

373640231 is a wasteful number, since it uses less digits than its factorization.

373640231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077120.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 373640231 is about 19329.7757617620. The cubic root of 373640231 is about 720.2521178543.

The spelling of 373640231 in words is "three hundred seventy-three million, six hundred forty thousand, two hundred thirty-one".