23154151547 has 2 divisors, whose sum is σ = 23154151548. Its totient is φ = 23154151546.

The previous prime is 23154151541. The next prime is 23154151637. The reversal of 23154151547 is 74515145132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23154151547 - 2⁶ = 23154151483 is a prime.

It is a super-2 number, since 2×23154151547² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154151547.

It is not a weakly prime, because it can be changed into another prime (23154151541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577075773 + 11577075774.

It is an arithmetic number, because the mean of its divisors is an integer number (11577075774).

Almost surely, 2^23154151547 is an apocalyptic number.

23154151547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154151547 is an equidigital number, since it uses as much as digits as its factorization.

23154151547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

Adding to 23154151547 its reverse (74515145132), we get a palindrome (97669296679).

The spelling of 23154151547 in words is "twenty-three billion, one hundred fifty-four million, one hundred fifty-one thousand, five hundred forty-seven".