35723640253 has 4 divisors (see below), whose sum is σ = 40827017440. Its totient is φ = 30620263068.

The previous prime is 35723640223. The next prime is 35723640257. The reversal of 35723640253 is 35204632753.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35204632753 = 103 ⋅341792551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35723640253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35723640257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551688583 + ... + 2551688596.

It is an arithmetic number, because the mean of its divisors is an integer number (10206754360).

Almost surely, 2^35723640253 is an apocalyptic number.

It is an amenable number.

35723640253 is a deficient number, since it is larger than the sum of its proper divisors (5103377187).

35723640253 is an equidigital number, since it uses as much as digits as its factorization.

35723640253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103377186.

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 35723640253 in words is "thirty-five billion, seven hundred twenty-three million, six hundred forty thousand, two hundred fifty-three".