261652462423 has 8 divisors (see below), whose sum is σ = 302229582480. Its totient is φ = 223873764480.

The previous prime is 261652462399. The next prime is 261652462439. The reversal of 261652462423 is 324264256162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 261652462423 - 2³³ = 253062527831 is a prime.

It is a super-2 number, since 2×261652462423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 261652462423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261652462523) 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, 699605328 + ... + 699605701.

It is an arithmetic number, because the mean of its divisors is an integer number (37778697810).

Almost surely, 2^261652462423 is an apocalyptic number.

261652462423 is a deficient number, since it is larger than the sum of its proper divisors (40577120057).

261652462423 is a wasteful number, since it uses less digits than its factorization.

261652462423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399211057.

The product of its digits is 829440, while the sum is 43.

The spelling of 261652462423 in words is "two hundred sixty-one billion, six hundred fifty-two million, four hundred sixty-two thousand, four hundred twenty-three".